The First Zoological Society in the US was formed in Philadelphia.
Source
A woman in Bangladesh gave birth to twins one month after giving birth previously.
Glen Bell opened the very first Taco Bell restaurant, in Downey, California.
The inaugural San Diego Comic-Con comic book convention took place.
Aaron Carpenter swam with dolphins for the first time.
Game of Thrones star Emilia Clarke shared her experience of fighting for her life after suffering two brain aneurysms during filming.